JEE Advanced 2020 Full Test 6 Paper 1

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Question : 5 of 54

Marks: +1, -0

Which of the following represents a progressive harmonic wave?

A(ax−bt)
A tan (ωt−kx)
A‌cos(vt−x)
A‌cos‌k‌x‌sin‌ω‌t

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